condition mean min max ZT0-3 27.0625 24.75185 29.373150000000003 ZT4-7 14.621 14.621 14.621 ZT8-11 19.042749999999998 19.042749999999998 19.042749999999998 ZT12-15 0 0 0 ZT16-19 23.0075 23.0075 23.0075 ZT20-23 24.3586 24.3586 24.3586